EP3920970A1 - Procédé de traitement d'événements indésirables induits par des inhibiteurs de points de contrôle - Google Patents

Procédé de traitement d'événements indésirables induits par des inhibiteurs de points de contrôle

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Publication number
EP3920970A1
EP3920970A1 EP20702304.5A EP20702304A EP3920970A1 EP 3920970 A1 EP3920970 A1 EP 3920970A1 EP 20702304 A EP20702304 A EP 20702304A EP 3920970 A1 EP3920970 A1 EP 3920970A1
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EP
European Patent Office
Prior art keywords
ctla4
agonist
use according
ctla4 agonist
immune
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20702304.5A
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German (de)
English (en)
Other versions
EP3920970B1 (fr
Inventor
Joe-Elie SALEM
Yves Allenbach
Mathieu KERNEIS
Javid MOSLEHI
Douglas Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Assistance Publique Hopitaux de Paris APHP
Institut National de la Sante et de la Recherche Medicale INSERM
Sorbonne Universite
Vanderbilt University
Original Assignee
Assistance Publique Hopitaux de Paris APHP
Institut National de la Sante et de la Recherche Medicale INSERM
Sorbonne Universite
Vanderbilt University
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Application filed by Assistance Publique Hopitaux de Paris APHP, Institut National de la Sante et de la Recherche Medicale INSERM, Sorbonne Universite, Vanderbilt University filed Critical Assistance Publique Hopitaux de Paris APHP
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00—Medicinal preparations containing peptides
    • A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • A61K38/177—Receptors; Cell surface antigens; Cell surface determinants
    • A61K38/1774—Immunoglobulin superfamily (e.g. CD2, CD4, CD8, ICAM molecules, B7 molecules, Fc-receptors, MHC-molecules)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/506—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/02—Immunomodulators

Definitions

  • the invention relates to the treatment of checkpoint inhibitors induced adverse events.
  • Checkpoint inhibitor therapy is a form of cancer immunotherapy that has revolutioned oncology treatment. It consists in targeting immune checkpoints, which are key regulators of the immune system that stimulate or inhibit its actions. Checkpoint therapy in oncology aims at blocking inhibitory checkpoints, which tumors use to protect themselves from attacks by the immune system, hence restoring immune system function and fighting the tumor.
  • the currently approved immune checkpoint inhibitors target the molecules CTLA4 (Cytotoxic T-Lymphocyte associated protein 4), PD-1 (the transmembrane programmed cell death 1 protein, also called PDCD1 and CD279), and PD-L1 , which is the PD-1 ligand (or CD274).
  • CTLA4 Cytotoxic T-Lymphocyte associated protein 4
  • PD-1 the transmembrane programmed cell death 1 protein, also called PDCD1 and CD279
  • PD-L1 which is the PD-1 ligand (or CD274).
  • CTLA4 Cytotoxic T-Lymphocyte associated protein 4
  • PD-1 the transmembrane programmed cell death 1 protein
  • PD-L1 which is the PD-1 ligand (or CD274).
  • PD-1 acts as a key regulatory role on T cell activities, and cancer-mediated upregulation of PD-L1 on the cancer cell surface may inhibit T cells recognition and action against these cells.
  • CTLA-4 a protein receptor constitutively expressed in regulatory T cells and upregulated in conventional T cells after activation. It acts as an inhibitory switch of the immune system when it binds to CD80 or CD86 expressed on the surface of antigen- presenting cells.
  • ICI induced myocarditis occurs rarely ( ⁇ 1 %) but is the irAE with the highest fatality rate. In the largest case-series of 122 myocarditis cases worldwide, the fatality rate was reported to be 50% with an earlier onset and higher fatality rate with ICI combination therapy versus monotherapy (Salem et al. Lancet Oncol 2018;19:1579-89).
  • a main contributing cause of death in ICI myocarditis is early progressive and refractory cardiac electrical instability (heart blocks and ventricular arrhythmias) and cardiac dysfunction leading to cardiogenic shock, often resistant to intense immunosuppression.
  • Corticosteroids range from bolus of 0.5-2 mg/kg/d ay of prednisone up to 1g/day methylprednisolone, depending on severity of clinical presentation.
  • immunosuppressive drugs mycophenolate-mofetil, cyclophosphamide, cyclosporine, tacrolimus, mTors inhibitors, methotrexate, azathioprine, antithymocyte globulin, alemtuzumab, JAK inhibitors, TYK2 inhibitors, infliximab, and rituximab
  • myositis and/or myasthenia gravis intravenous immunoglobulin or plasmapheresis can be considered when presentations are severe and/or corticosteroid-resistant.
  • available immunosuppresants produce suboptimal results (i.e. the 1.23% of patients who die from PD1/CTLA4 blockade induced toxicities).
  • the invention thus relates to a CTLA4 agonist for use thereof in the treatment or prevention of an adverse event induced by treatment with an immune checkpoint inhibitor.
  • such use is particularly adapted when the adverse event is a de novo event, i.e. is not related to a preexisting immune condition.
  • the patient has not been diagnosed with an auto immune disease prior to the inset of the treatment with the immune checkpoint inhibitor.
  • the proposed use is also of particular interest when the adverse event is T-cell and/or macrophage driven, i.e. involving infiltration of CD4+ and/or CD8+ T cells and/or CD68+ macrophages, with minimal or no implication of antibodies (no presence of antibody deposits).
  • CTLA4 agonist it is intended to designate a molecule that provides the same effect as of CTLA4.
  • a CTLAA4 agonist is a substance that binds to the same cellular receptors as the CTLA4 reference substance (in particular that binds to CD80 or CD86), and produces, at least in part, the same effects (in particular that would switch off the immune system response).
  • CTLA4 agonists soluble version of the extracellular domain of CTLA-4, either by themselves, or preferably fused with another peptide or protein.
  • said other peptide or protein may be the Fc region (or Fc fragment) of an IgG protein. Presence of this other peptide or protein would stabilize the polypeptide comprising the extracellular domain of CTLA-4.
  • this other protein or peptide is the Fc fragment of the IgG protein, this would assist the binding to the antigen-presenting cells preferably the IgG protein is a lgG1 protein.
  • a Fc fragment from another IgG protein i.e lgG2, lgG4,).
  • CTLA4 agonists are currently on the market for other indications.
  • Abatacept and belatacept are fusion proteins composed of the Fc region of the immunoglobulin lgG1 fused to the extracellular domain of CTLA-4. They differ from each other by two amino acids.
  • the mode of action of these two polypeptides is to bind to the CD80 and CD86 molecules present at the surface of the antigen presenting cell in order to prevent such to provide the second (costimulatory) signal necessary to activate T cells (the first signal being the one provided by the recognition of the major histocompatibility complex (MHC), combined with the antigen.
  • MHC major histocompatibility complex
  • the CTLA4 agonist is abatacept.
  • the CTLA4 agonist is belatacept
  • the CTLA4 agonist can therefore be used in a method for treating, or in a method for preventing, occurrence of an adverse event induced by a treatment with an immune checkpoint inhibitor, comprising the step of administering an effective amount of the CTLA4 agonist to a patient in need thereof.
  • An effective amount, or therapeutic amount is the amount sufficient to obtain beneficial or desired results, such as clinical results (remission of the symptoms of the immune related adverse events).
  • The“effective amount” may depend upon the type of immune related adverse event, and upon the context in which it is being applied.
  • an effective amount of a CTLA4 agonist is, for example, an amount sufficient to achieve a reduction in the severity of the immune related adverse event, as compared to the response obtained without administration of the agonist.
  • the immune related adverse event induced by the treatment with checkpoint inhibitors one can cite colitis, pneumonitis, hepatitis, hypophysitis, neurologic adverse effects (including encephalitis, myasthenia gravis, Guillain- Barre syndrome), adrenal adverse effect, myositis, myocarditis, hematologic adverse effects (including hemolytic anemia, immune thrombocytopenic purpura, and aplastic anemia), nephritis, pancreatitis, and type 1 diabetes. All these diseases are immune-mediated, and linked to the administration of ICI, that exacerbate the immune system of the patient.
  • the CTLA4 agonist is particularly interesting for treating an immune-mediated myocarditis, in particular fulminant myocarditis. As indicated above, being able to treat this adverse effect is of particular interest as it is the most fatal one observed after use of ICI.
  • Fulminant myocarditis is a peculiar clinical condition and is an acute form of myocarditis, whose main characteristic is a rapidly progressive clinical course with the need for hemodynamic support (Kociol et al, Circulation. 2020 Jan 6:CIR0000000000000745.).
  • PD-1 inhibitors lgG4 PD1 antibody nivolumab, pembrolizumab, partalizumab
  • PDR001 developed by Novartis
  • pidilizumab developed by Cure Tech
  • cemiplimab developed by Regeneron and Sanofi
  • toripalimab developed by Shanghai Junshi
  • spartalizumab developed by Novartis
  • cetrelimab JNJ-63723283
  • sasanlimab PF-06801591
  • PD-L1 inhibitors atezolizumab developed by Roche Genentech, avelumab developed by Merck Serono and Pfizer or durvalumab developed by AstraZeneca.
  • Anti-CTLA4 ipilimumab or tremelimumab.
  • the CTLA4 agonist is used at the dosage similar to (about 10mg/kg for abatacapet and belatacept, and up to about 20mg/kg , kowing that belatacept is 2 to 3 times more potent than abatacept) or up to 4 times higher than those dosages preconized by the manufacturer and according to good practice in the art.
  • Choice of the appropriate dosase may be adapted by the physician depending on the severity of the clinical presentation and evolution on treatment.
  • said CTLA4 agonist may be generally administered at a dose of 5mg/kg up to 40 mg/kg per dose.
  • abatacept can be used as an intravenous composition, with a 30 minutes perfusion at a dosasge as indicated below, corresponding to about 10mg/kg per administration. After the first injection, abatacept is to be administered again at weeks 2, 4 and then every 4 weeks (or until the clinical state of the patient with regards to the induced adverse effect has ameliorated, which is generally obtained within 3-4 weeks. Alternatively, in the most severe presentation, abatacept can be used at 20mg/kg or even 30 mg/kg per dose every week up up to 6 weeks and then every two weeks until reversion of the immune related adverse event.
  • the standard dose is of 500 mg (powder) for patient weighting less than 60 kg, 750 mg for patients weighting between 60 and 100 kg and 1000 mg for patients weighting more than 100 kg. This dose can be doubled or tripled depending on clinical presentation (severity of the immune related adverse event).
  • belatacept When belatacept is used, one can use a dosase of 10 mg/kg (or even 20mg/kg) at day 1 , then 10 mg/kg (or even 20mg/kg) at days 4, 14 and 28. The dosage may then be lowered, depending on the clinical improvement of the patient, or increased in terme of frequency (days 1 , 4, 14, 21 , 28 and up to one per week until clinical improvement).
  • the dose administered to the patient is chosen so as to be therapeutically effective. It is thus possible to use higher amount of such products for the first injections in order to try to quickly stop the immune system reaction, and then lower the dose when the markers of the immune-induced disease become normal again.
  • glucocorticoids at high dose up to 1 g/day methylprednisone equivalent for few days
  • immunossupressants are preferentially antimetabolites (such as mycofenolate mofetil, azathiatrine, methotrexate), anti-calcineurin (also designated as calcineurin inhibitors) (ciclosporin, tacrolimus), MTOR inhibitors (sirolimus, temsirolimus, everolimus), anti-thymoglubin, intravenous immunoglobulin, interleukin-6 inhibitors (tocilizumab, siltuximab), interleukin-1 pathway inhibitors (anakinra, rilonacept, canakinumab), TNF-a inhibitors, JAK inhibitors, TYK2 inhibitors or anti CD28.
  • immunosuppresants are preferentially antimetabolites (such as mycofenolate mofetil, azathiatrine, methotrexate), anti-calcineurin
  • basiliximab chimeric mouse-human monoclonal antibody
  • daclizumab both binding to the a chain (CD25) of the IL-2 receptor of T cells
  • tocilizumab also known as atlizumab
  • alemtuzumab monoclonal antibody that binds to CD52
  • the invention also relates to the CTLA4 agonist for use as indicated above, it is administered with another immunosuppressant, or any other drug as disclosed below, including glucocorticoids, antimetabolites (such as mycofenolate mofetil, azathiatrine, methotrexate), calcineurin inhibitors (ciclosporin, tacrolimus), mtor inhibitors (sirolimus, temsirolimus, everolimus), anti-thymoglubin, intravenous immunoglobulin, interleukin-6 inhibitors (tocilizumab, siltuximab), anti CD52 (alemtuzumab),, anti CD25 (basiliximab, daclizumab), interleukin-1 pathway inhibitors (anakinra, rilonacept, canakinumab), TNF-a inhibitors, JAK inhibitors, TYK2 inhibitors and anti CD28.
  • Said co-administration can be simultaneous, separate or sequential (sp
  • the invention also relates to a composition containing a CTLA4 agonist and an immunosuppressant or any other drug as disclosed above, for simultaneous, separate or sequential (spread out over time) use thereof in the treatment or prevention of an adverse event induced by a treatment with an immune checkpoint inhibitor.
  • the invention also relates to a method for treating or preventing an adverse event induced by a treatment with an immune checkpoint inhibitor, comprising administering a therapeutically active amount of a CTLA4 agonist to a subject in need thereof, with a simultaneous, separate or sequential (spread out over time) administration of an effective amount of an immunosuppressant to the subject.
  • the invention also relates to a CTLA4 agonist for use thereof in the treatment of an adverse event induced by a treatment with an immune checkpoint inhibitor, in a patient in need thereof, wherein said patient has been subject to a plasmapheresis prior to administration of the CTLA4 agonist.
  • plasmapheresis makes it possible to clear immune check-point inhibitors levels in the circulation of the patient.
  • the invention also relates to a method for treating a subject in need thereof, wherein said subject present an adverse effect induced by a treatment with an immune checkpoint inhibitor, comprising performing a plasmapheresis to the subject (so as to clear immune check-point inhibitors levels in the circulation of the subject) and administering an effective amount of a CTLA4 agonist (alone or with another immunosuppressant) prior and after plasmapheresis.
  • the treatment should last for a few weeks or maximum months (up to 7 times the half-life of the liable immune-checkpout inhibitor administered), with an administration every week or two weeks, from five to eight and up to 40 weeks. In this case, there would be multiple administration of the CTLA4 agonist provided to the patient.
  • the CTLA4 agonist can be in a form suitable for oral administration.
  • known CTLA4 agonist are in the form of polypeptides, such agonists would have to be protected from gastric degradation.
  • CTLA4 agonist is a form suitable for injectable administration.
  • such administration is a intravenous injection, intra muscular or subcutaneous injection.
  • the CTLA4 agonist is in the form of a slow release composition, which would allow to decrease the number of injections.
  • CTLA4 agonists such as CTLA4-lmmunoglobulin fusion proteins: abatacept and belatacept
  • CTLA4-lmmunoglobulin fusion proteins abatacept and belatacept
  • Abatacept was used in a 66yo woman presenting with life-threatening immune checkpoint inhibitor induced myocarditis associated with myositis, oculomotor weakness, arthritis flare-up and hepatitis. These irAE occurred after three doses of nivolumab (Anti-PD-1) given for lung adenocarcinoma invading the pleura. She was former smoker and had a history of sinus tachycardia on betablockers, systemic lupus on hydroxychloroquine and a thymoma treated by radiotherapy and surgery 23 years ago complicated by a phrenic nerve ligation (with secondary pulmonary restrictive syndrome).
  • Abatacept Intravenous, 500mg every 2weeks; 5 doses total treatment was then initiated.
  • Troponin began to decrease the day after the first abatacept dose, and progressively over months to a minimum of 504ng/L while prednisone was progressively tapered.
  • Ventricular hyper-excitability progressively and completely disappeared after 4 doses of abatacept (24h-holter normalized).
  • Ejection fraction remained normal throughout follow-up, with NT-proBNP decreasing and stabilizing at slightly elevated levels ( ⁇ 1000-1500ng/L).
  • Myocarditis arrhythmias
  • myositis muscle weakness, ptosis, facial paralysis
  • Patient was discharged 7.5 weeks after initial admission. Importantly, a cross-sectional imaging performed one month after abatacept start showed no progression (30mm maximal diameter before immunotherapy, 36mm after 3 doses of nivolumab, 36mm after 2 doses of abatacept).
  • a 84 yo male with lung cancer developed an immune-checkpoint inhibitor induced myocarditis, associated with myositis with diaphragmatic involvement after 2 doses of pembrolizumab (35 days after first dose). Abatacept was also used effectively to reverse these immune-related adverse event.
  • Abatacept was used at the dose of approximatively 20mg/kg (1500mg/dose) every week for 6 weeks combined with mycophenolate mofetil (1g*2/day) and glucocortidoids (1 g methylprednisolone for 3 days, then 2 mg/kg for two weeks followed by 1 mg/kg for two weeks and progressive tapering of 5mg every two weeks).
  • 2 plasmapheresis sessions were also performed after the fourth abatacept dosing.
  • Abatacept is also to be continued for at least 4 doses every two weeks.
  • CTLA4 agonists inhibit CD28-B7 mediated T-cell co-stimulation at the level of dendritic cells, and thus abrogate activation of the T-cells upstream of the CTLA4 and PD1/PDL1 pathways in the T-cells.
  • CTLA4 agonists inhibit CD28-B7 mediated T-cell co-stimulation at the level of dendritic cells, and thus abrogate activation of the T-cells upstream of the CTLA4 and PD1/PDL1 pathways in the T-cells.
  • these should lead to rapid global T-cell anergy with limited off-target effects, and specifically reversing the pathways activated by ICI.

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Abstract

L'invention concerne l'utilisation d'un agoniste de CTLA4 pour traiter ou prévenir des événements indésirables chez un patient traité avec un inhibiteur de point de contrôle immunitaire.
EP20702304.5A 2019-02-04 2020-02-03 Procédé de traitement d'événements indésirables induite par des inhibiteurs de point de contrôle Active EP3920970B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19305128 2019-02-04
PCT/EP2020/052554 WO2020161045A1 (fr) 2019-02-04 2020-02-03 Procédé de traitement d'événements indésirables induits par des inhibiteurs de points de contrôle

Publications (2)

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EP3920970A1 true EP3920970A1 (fr) 2021-12-15
EP3920970B1 EP3920970B1 (fr) 2022-11-23

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US (1) US20220125880A1 (fr)
EP (1) EP3920970B1 (fr)
CA (1) CA3128425A1 (fr)
DK (1) DK3920970T3 (fr)
ES (1) ES2935265T3 (fr)
FI (1) FI3920970T3 (fr)
PL (1) PL3920970T3 (fr)
PT (1) PT3920970T (fr)
WO (1) WO2020161045A1 (fr)

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US20220125880A1 (en) 2019-02-04 2022-04-28 Assistance Publique - Hôpitaux De Paris Method for treating checkpoint inhibitors induced adverse events
EP3944859A1 (fr) 2020-07-30 2022-02-02 Assistance Publique Hôpitaux de Paris Procédé de traitement des toxicités immunitaires induites par des inhibiteurs des points de contrôle immunitaire

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Publication number Priority date Publication date Assignee Title
US20040022787A1 (en) 2000-07-03 2004-02-05 Robert Cohen Methods for treating an autoimmune disease using a soluble CTLA4 molecule and a DMARD or NSAID
CA2762015A1 (fr) 2003-08-04 2005-02-24 Bristol-Myers Squibb Company Methodes de traitement d'une maladie cardiovasculaire a l'aide d'une molecule ctla4 soluble
AU2013284460A1 (en) 2012-06-27 2015-01-29 Dmnomore CTLA4 fusion proteins for the treatment of diabetes
EP3515489A4 (fr) 2016-09-19 2020-05-06 Oncoimmune, Inc. Compositions de protéine de liaison à cd80 et cd86 et leurs utilisations
US20220125880A1 (en) 2019-02-04 2022-04-28 Assistance Publique - Hôpitaux De Paris Method for treating checkpoint inhibitors induced adverse events

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EP3920970B1 (fr) 2022-11-23
WO2020161045A1 (fr) 2020-08-13
PL3920970T3 (pl) 2023-03-13
US20220125880A1 (en) 2022-04-28
DK3920970T3 (da) 2023-01-23
FI3920970T3 (fi) 2023-01-31
PT3920970T (pt) 2023-01-05
ES2935265T3 (es) 2023-03-03
CA3128425A1 (fr) 2020-08-13

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